<template>
	<div class= "wrapper">
		<swiper :options="swiperOption" v-if="showSwiper" >
			<!-- slides -->
			<swiper-slide  v-for="item of list"    :key="item.id">
				<img :src='item.imgUrl'
						 class="swiper-img" />
			</swiper-slide>
			<!-- Optional controls -->
			<div class="swiper-pagination"  slot="pagination"></div>
		</swiper>
	</div>
</template>

<script>
export default {
  name: 'HomeSwiper',
  props: {
	  list: Array
  },
  computed: {
	showSwiper(){
		return this.list.length
	}
  },
  data () {
    return {
      swiperOption: {
				pagination: '.swiper-pagination',
				loop: true,
				autoplay: 3000
			}
		}
  }
}
</script>

<style lang="stylus" scoped>
	//  穿透样式
	.wrapper >>> .swiper-pagination-bullet-active
		background: #fff !important
	.wrapper
		width: 100%
		height: 0
		padding-bottom: 31.5%
		.swiper-img
			width: 100%
</style>
